The full story
Improper Restriction of Sensitive Information in Okta Hyperdrive Agent Logging CVE-2026-78631 - Sep 8, 2026. A security weakness in Okta is being tracked as CVE-2026-78631. The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion.
To remediate this vulnerability, upgrade the Okta Hyperdrive Agent to version 1 5 2 or greater.
What the reporting is based on
Improper Restriction of Sensitive Information in Okta Hyperdrive Agent Logging CVE-2026-78631 - Sep 8, 2026
The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion. To remediate this vulnerability, upgrade the Okta Hyperdrive Agent to version 1 5 2 or greater.
Open sourceReporting ends here. The sections below are CyberDeltaForce analysis and defender-focused interpretation.
What this means
Risk depends on whether Okta and the affected component are deployed and reachable, because the reported flaw can lead to expose sensitive information. Exposure, privilege, business criticality and compensating controls should determine remediation priority.
What security teams should check now
- Inventory Okta deployments and confirm whether the affected component and vulnerable release are present.
- Apply the vendor patch or mitigation for CVE-2026-78631 and validate the affected path after remediation.
What is not yet confirmed
- Available reporting does not currently indicate exploitation, but that can change as vendor, government or threat-intelligence reporting develops.
